@labdigital/mock-dynamodb
Version:
Mock DynamoDB for testing using dynalite
1 lines • 1.1 MB
Source Map (JSON)
{"version":3,"file":"index.mjs","names":["exports","EventEmitter","Buffer","Buffer","#limit","#signal","#snapshot","#ended","#count","#startWork","#endWork","#destroy","#working","#closingPromise","#pendingClose","#privateClose","#keys","#values","#db","#privateOperations","#publicOperations","#publicOperations","#addMode","#prewriteData","#prewriteBatch","#prewriteRun","#length","#assertStatus","#status","#prepareClose","#closePromise","#privateClose","#encoded","#isAsync","#runner","#functions","#operations","#signals","#handleAbort","#iterator","#unfix","#parent","#localPath","#globalPath","#globalPrefix","#globalUpperBound","#localPrefix","#unfix","Buffer","#prefixRange","#resources","#queue","#options","#eventMonitor","#transcoder","#keyEncoding","#valueEncoding","#defaultOptions","#deferOpen","#status","#assertUnlocked","#statusChange","#closeResources","#statusLocked","#assertOpen","#arrayBatch","#owner","#open","#referenceCount","#pendingClose","#closePromise","path","#sharedBuffer","#createSharedBuffer","#tree","#clearKey","crypto"],"sources":["../node_modules/.pnpm/async@3.2.6/node_modules/async/dist/async.js","../node_modules/.pnpm/lazy@1.0.11/node_modules/lazy/lazy.js","../node_modules/.pnpm/level-supports@6.2.0/node_modules/level-supports/index.js","../node_modules/.pnpm/module-error@1.0.2/node_modules/module-error/index.js","../node_modules/.pnpm/level-transcoder@1.0.1/node_modules/level-transcoder/lib/text-endec.js","../node_modules/.pnpm/level-transcoder@1.0.1/node_modules/level-transcoder/lib/encoding.js","../node_modules/.pnpm/level-transcoder@1.0.1/node_modules/level-transcoder/lib/formats.js","../node_modules/.pnpm/level-transcoder@1.0.1/node_modules/level-transcoder/lib/encodings.js","../node_modules/.pnpm/level-transcoder@1.0.1/node_modules/level-transcoder/index.js","../node_modules/.pnpm/maybe-combine-errors@1.0.0/node_modules/maybe-combine-errors/index.js","../node_modules/.pnpm/abstract-level@3.1.1/node_modules/abstract-level/lib/common.js","../node_modules/.pnpm/abstract-level@3.1.1/node_modules/abstract-level/lib/errors.js","../node_modules/.pnpm/abstract-level@3.1.1/node_modules/abstract-level/abstract-iterator.js","../node_modules/.pnpm/abstract-level@3.1.1/node_modules/abstract-level/lib/default-kv-iterator.js","../node_modules/.pnpm/abstract-level@3.1.1/node_modules/abstract-level/lib/deferred-iterator.js","../node_modules/.pnpm/abstract-level@3.1.1/node_modules/abstract-level/lib/prefixes.js","../node_modules/.pnpm/abstract-level@3.1.1/node_modules/abstract-level/lib/prewrite-batch.js","../node_modules/.pnpm/abstract-level@3.1.1/node_modules/abstract-level/abstract-chained-batch.js","../node_modules/.pnpm/abstract-level@3.1.1/node_modules/abstract-level/lib/default-chained-batch.js","../node_modules/.pnpm/abstract-level@3.1.1/node_modules/abstract-level/lib/hooks.js","../node_modules/.pnpm/abstract-level@3.1.1/node_modules/abstract-level/lib/event-monitor.js","../node_modules/.pnpm/abstract-level@3.1.1/node_modules/abstract-level/lib/deferred-queue.js","../node_modules/.pnpm/abstract-level@3.1.1/node_modules/abstract-level/lib/range-options.js","../node_modules/.pnpm/abstract-level@3.1.1/node_modules/abstract-level/lib/abstract-sublevel-iterator.js","../node_modules/.pnpm/abstract-level@3.1.1/node_modules/abstract-level/lib/abstract-sublevel.js","../node_modules/.pnpm/abstract-level@3.1.1/node_modules/abstract-level/abstract-level.js","../node_modules/.pnpm/abstract-level@3.1.1/node_modules/abstract-level/abstract-snapshot.js","../node_modules/.pnpm/abstract-level@3.1.1/node_modules/abstract-level/index.js","../node_modules/.pnpm/tsdown@0.21.8_typescript@6.0.2/node_modules/tsdown/esm-shims.js","../node_modules/.pnpm/node-gyp-build@4.8.4/node_modules/node-gyp-build/node-gyp-build.js","../node_modules/.pnpm/node-gyp-build@4.8.4/node_modules/node-gyp-build/index.js","../node_modules/.pnpm/classic-level@3.0.0/node_modules/classic-level/binding.js","../node_modules/.pnpm/classic-level@3.0.0/node_modules/classic-level/chained-batch.js","../node_modules/.pnpm/classic-level@3.0.0/node_modules/classic-level/iterator.js","../node_modules/.pnpm/classic-level@3.0.0/node_modules/classic-level/index.js","../node_modules/.pnpm/level@10.0.0/node_modules/level/index.js","../node_modules/.pnpm/functional-red-black-tree@1.0.1/node_modules/functional-red-black-tree/rbtree.js","../node_modules/.pnpm/memory-level@3.1.0/node_modules/memory-level/lib/compare.js","../node_modules/.pnpm/memory-level@3.1.0/node_modules/memory-level/lib/breathe.js","../node_modules/.pnpm/memory-level@3.1.0/node_modules/memory-level/lib/iterator.js","../node_modules/.pnpm/memory-level@3.1.0/node_modules/memory-level/lib/is-range-option.js","../node_modules/.pnpm/memory-level@3.1.0/node_modules/memory-level/index.js","../node_modules/.pnpm/lock@1.1.0/node_modules/lock/index.js","../node_modules/.pnpm/big.js@6.2.2/node_modules/big.js/big.js","../node_modules/.pnpm/wrappy@1.0.2/node_modules/wrappy/wrappy.js","../node_modules/.pnpm/once@1.4.0/node_modules/once/once.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/db/lifecycle.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/db/index.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/db/conditionParser.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/db/projectionParser.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/db/updateParser.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/validations/index.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/actions/getItem.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/actions/batchGetItem.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/actions/putItem.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/actions/deleteItem.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/actions/batchWriteItem.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/actions/createTable.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/actions/deleteTable.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/actions/describeTable.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/actions/describeTimeToLive.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/actions/listTables.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/actions/listTagsOfResource.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/actions/query.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/actions/scan.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/actions/tagResource.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/actions/untagResource.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/actions/updateItem.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/actions/updateTable.js","../src/actions.ts","../src/auth.ts","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/validations/batchGetItem.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/validations/batchWriteItem.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/validations/createTable.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/validations/deleteItem.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/validations/deleteTable.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/validations/describeTable.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/validations/describeTimeToLive.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/validations/getItem.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/validations/listTables.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/validations/listTagsOfResource.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/validations/putItem.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/validations/query.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/validations/scan.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/validations/tagResource.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/validations/untagResource.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/validations/updateItem.js","../node_modules/.pnpm/dynalite@4.0.0/node_modules/dynalite/validations/updateTable.js","../src/validations.ts","../src/index.ts"],"sourcesContent":["(function (global, factory) {\n typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :\n typeof define === 'function' && define.amd ? define(['exports'], factory) :\n (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.async = {}));\n})(this, (function (exports) { 'use strict';\n\n /**\n * Creates a continuation function with some arguments already applied.\n *\n * Useful as a shorthand when combined with other control flow functions. Any\n * arguments passed to the returned function are added to the arguments\n * originally passed to apply.\n *\n * @name apply\n * @static\n * @memberOf module:Utils\n * @method\n * @category Util\n * @param {Function} fn - The function you want to eventually apply all\n * arguments to. Invokes with (arguments...).\n * @param {...*} arguments... - Any number of arguments to automatically apply\n * when the continuation is called.\n * @returns {Function} the partially-applied function\n * @example\n *\n * // using apply\n * async.parallel([\n * async.apply(fs.writeFile, 'testfile1', 'test1'),\n * async.apply(fs.writeFile, 'testfile2', 'test2')\n * ]);\n *\n *\n * // the same process without using apply\n * async.parallel([\n * function(callback) {\n * fs.writeFile('testfile1', 'test1', callback);\n * },\n * function(callback) {\n * fs.writeFile('testfile2', 'test2', callback);\n * }\n * ]);\n *\n * // It's possible to pass any number of additional arguments when calling the\n * // continuation:\n *\n * node> var fn = async.apply(sys.puts, 'one');\n * node> fn('two', 'three');\n * one\n * two\n * three\n */\n function apply(fn, ...args) {\n return (...callArgs) => fn(...args,...callArgs);\n }\n\n function initialParams (fn) {\n return function (...args/*, callback*/) {\n var callback = args.pop();\n return fn.call(this, args, callback);\n };\n }\n\n /* istanbul ignore file */\n\n var hasQueueMicrotask = typeof queueMicrotask === 'function' && queueMicrotask;\n var hasSetImmediate = typeof setImmediate === 'function' && setImmediate;\n var hasNextTick = typeof process === 'object' && typeof process.nextTick === 'function';\n\n function fallback(fn) {\n setTimeout(fn, 0);\n }\n\n function wrap(defer) {\n return (fn, ...args) => defer(() => fn(...args));\n }\n\n var _defer$1;\n\n if (hasQueueMicrotask) {\n _defer$1 = queueMicrotask;\n } else if (hasSetImmediate) {\n _defer$1 = setImmediate;\n } else if (hasNextTick) {\n _defer$1 = process.nextTick;\n } else {\n _defer$1 = fallback;\n }\n\n var setImmediate$1 = wrap(_defer$1);\n\n /**\n * Take a sync function and make it async, passing its return value to a\n * callback. This is useful for plugging sync functions into a waterfall,\n * series, or other async functions. Any arguments passed to the generated\n * function will be passed to the wrapped function (except for the final\n * callback argument). Errors thrown will be passed to the callback.\n *\n * If the function passed to `asyncify` returns a Promise, that promises's\n * resolved/rejected state will be used to call the callback, rather than simply\n * the synchronous return value.\n *\n * This also means you can asyncify ES2017 `async` functions.\n *\n * @name asyncify\n * @static\n * @memberOf module:Utils\n * @method\n * @alias wrapSync\n * @category Util\n * @param {Function} func - The synchronous function, or Promise-returning\n * function to convert to an {@link AsyncFunction}.\n * @returns {AsyncFunction} An asynchronous wrapper of the `func`. To be\n * invoked with `(args..., callback)`.\n * @example\n *\n * // passing a regular synchronous function\n * async.waterfall([\n * async.apply(fs.readFile, filename, \"utf8\"),\n * async.asyncify(JSON.parse),\n * function (data, next) {\n * // data is the result of parsing the text.\n * // If there was a parsing error, it would have been caught.\n * }\n * ], callback);\n *\n * // passing a function returning a promise\n * async.waterfall([\n * async.apply(fs.readFile, filename, \"utf8\"),\n * async.asyncify(function (contents) {\n * return db.model.create(contents);\n * }),\n * function (model, next) {\n * // `model` is the instantiated model object.\n * // If there was an error, this function would be skipped.\n * }\n * ], callback);\n *\n * // es2017 example, though `asyncify` is not needed if your JS environment\n * // supports async functions out of the box\n * var q = async.queue(async.asyncify(async function(file) {\n * var intermediateStep = await processFile(file);\n * return await somePromise(intermediateStep)\n * }));\n *\n * q.push(files);\n */\n function asyncify(func) {\n if (isAsync(func)) {\n return function (...args/*, callback*/) {\n const callback = args.pop();\n const promise = func.apply(this, args);\n return handlePromise(promise, callback)\n }\n }\n\n return initialParams(function (args, callback) {\n var result;\n try {\n result = func.apply(this, args);\n } catch (e) {\n return callback(e);\n }\n // if result is Promise object\n if (result && typeof result.then === 'function') {\n return handlePromise(result, callback)\n } else {\n callback(null, result);\n }\n });\n }\n\n function handlePromise(promise, callback) {\n return promise.then(value => {\n invokeCallback(callback, null, value);\n }, err => {\n invokeCallback(callback, err && (err instanceof Error || err.message) ? err : new Error(err));\n });\n }\n\n function invokeCallback(callback, error, value) {\n try {\n callback(error, value);\n } catch (err) {\n setImmediate$1(e => { throw e }, err);\n }\n }\n\n function isAsync(fn) {\n return fn[Symbol.toStringTag] === 'AsyncFunction';\n }\n\n function isAsyncGenerator(fn) {\n return fn[Symbol.toStringTag] === 'AsyncGenerator';\n }\n\n function isAsyncIterable(obj) {\n return typeof obj[Symbol.asyncIterator] === 'function';\n }\n\n function wrapAsync(asyncFn) {\n if (typeof asyncFn !== 'function') throw new Error('expected a function')\n return isAsync(asyncFn) ? asyncify(asyncFn) : asyncFn;\n }\n\n // conditionally promisify a function.\n // only return a promise if a callback is omitted\n function awaitify (asyncFn, arity) {\n if (!arity) arity = asyncFn.length;\n if (!arity) throw new Error('arity is undefined')\n function awaitable (...args) {\n if (typeof args[arity - 1] === 'function') {\n return asyncFn.apply(this, args)\n }\n\n return new Promise((resolve, reject) => {\n args[arity - 1] = (err, ...cbArgs) => {\n if (err) return reject(err)\n resolve(cbArgs.length > 1 ? cbArgs : cbArgs[0]);\n };\n asyncFn.apply(this, args);\n })\n }\n\n return awaitable\n }\n\n function applyEach$1 (eachfn) {\n return function applyEach(fns, ...callArgs) {\n const go = awaitify(function (callback) {\n var that = this;\n return eachfn(fns, (fn, cb) => {\n wrapAsync(fn).apply(that, callArgs.concat(cb));\n }, callback);\n });\n return go;\n };\n }\n\n function _asyncMap(eachfn, arr, iteratee, callback) {\n arr = arr || [];\n var results = [];\n var counter = 0;\n var _iteratee = wrapAsync(iteratee);\n\n return eachfn(arr, (value, _, iterCb) => {\n var index = counter++;\n _iteratee(value, (err, v) => {\n results[index] = v;\n iterCb(err);\n });\n }, err => {\n callback(err, results);\n });\n }\n\n function isArrayLike(value) {\n return value &&\n typeof value.length === 'number' &&\n value.length >= 0 &&\n value.length % 1 === 0;\n }\n\n // A temporary value used to identify if the loop should be broken.\n // See #1064, #1293\n const breakLoop = {};\n\n function once(fn) {\n function wrapper (...args) {\n if (fn === null) return;\n var callFn = fn;\n fn = null;\n callFn.apply(this, args);\n }\n Object.assign(wrapper, fn);\n return wrapper\n }\n\n function getIterator (coll) {\n return coll[Symbol.iterator] && coll[Symbol.iterator]();\n }\n\n function createArrayIterator(coll) {\n var i = -1;\n var len = coll.length;\n return function next() {\n return ++i < len ? {value: coll[i], key: i} : null;\n }\n }\n\n function createES2015Iterator(iterator) {\n var i = -1;\n return function next() {\n var item = iterator.next();\n if (item.done)\n return null;\n i++;\n return {value: item.value, key: i};\n }\n }\n\n function createObjectIterator(obj) {\n var okeys = obj ? Object.keys(obj) : [];\n var i = -1;\n var len = okeys.length;\n return function next() {\n var key = okeys[++i];\n if (key === '__proto__') {\n return next();\n }\n return i < len ? {value: obj[key], key} : null;\n };\n }\n\n function createIterator(coll) {\n if (isArrayLike(coll)) {\n return createArrayIterator(coll);\n }\n\n var iterator = getIterator(coll);\n return iterator ? createES2015Iterator(iterator) : createObjectIterator(coll);\n }\n\n function onlyOnce(fn) {\n return function (...args) {\n if (fn === null) throw new Error(\"Callback was already called.\");\n var callFn = fn;\n fn = null;\n callFn.apply(this, args);\n };\n }\n\n // for async generators\n function asyncEachOfLimit(generator, limit, iteratee, callback) {\n let done = false;\n let canceled = false;\n let awaiting = false;\n let running = 0;\n let idx = 0;\n\n function replenish() {\n //console.log('replenish')\n if (running >= limit || awaiting || done) return\n //console.log('replenish awaiting')\n awaiting = true;\n generator.next().then(({value, done: iterDone}) => {\n //console.log('got value', value)\n if (canceled || done) return\n awaiting = false;\n if (iterDone) {\n done = true;\n if (running <= 0) {\n //console.log('done nextCb')\n callback(null);\n }\n return;\n }\n running++;\n iteratee(value, idx, iterateeCallback);\n idx++;\n replenish();\n }).catch(handleError);\n }\n\n function iterateeCallback(err, result) {\n //console.log('iterateeCallback')\n running -= 1;\n if (canceled) return\n if (err) return handleError(err)\n\n if (err === false) {\n done = true;\n canceled = true;\n return\n }\n\n if (result === breakLoop || (done && running <= 0)) {\n done = true;\n //console.log('done iterCb')\n return callback(null);\n }\n replenish();\n }\n\n function handleError(err) {\n if (canceled) return\n awaiting = false;\n done = true;\n callback(err);\n }\n\n replenish();\n }\n\n var eachOfLimit$2 = (limit) => {\n return (obj, iteratee, callback) => {\n callback = once(callback);\n if (limit <= 0) {\n throw new RangeError('concurrency limit cannot be less than 1')\n }\n if (!obj) {\n return callback(null);\n }\n if (isAsyncGenerator(obj)) {\n return asyncEachOfLimit(obj, limit, iteratee, callback)\n }\n if (isAsyncIterable(obj)) {\n return asyncEachOfLimit(obj[Symbol.asyncIterator](), limit, iteratee, callback)\n }\n var nextElem = createIterator(obj);\n var done = false;\n var canceled = false;\n var running = 0;\n var looping = false;\n\n function iterateeCallback(err, value) {\n if (canceled) return\n running -= 1;\n if (err) {\n done = true;\n callback(err);\n }\n else if (err === false) {\n done = true;\n canceled = true;\n }\n else if (value === breakLoop || (done && running <= 0)) {\n done = true;\n return callback(null);\n }\n else if (!looping) {\n replenish();\n }\n }\n\n function replenish () {\n looping = true;\n while (running < limit && !done) {\n var elem = nextElem();\n if (elem === null) {\n done = true;\n if (running <= 0) {\n callback(null);\n }\n return;\n }\n running += 1;\n iteratee(elem.value, elem.key, onlyOnce(iterateeCallback));\n }\n looping = false;\n }\n\n replenish();\n };\n };\n\n /**\n * The same as [`eachOf`]{@link module:Collections.eachOf} but runs a maximum of `limit` async operations at a\n * time.\n *\n * @name eachOfLimit\n * @static\n * @memberOf module:Collections\n * @method\n * @see [async.eachOf]{@link module:Collections.eachOf}\n * @alias forEachOfLimit\n * @category Collection\n * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.\n * @param {number} limit - The maximum number of async operations at a time.\n * @param {AsyncFunction} iteratee - An async function to apply to each\n * item in `coll`. The `key` is the item's key, or index in the case of an\n * array.\n * Invoked with (item, key, callback).\n * @param {Function} [callback] - A callback which is called when all\n * `iteratee` functions have finished, or an error occurs. Invoked with (err).\n * @returns {Promise} a promise, if a callback is omitted\n */\n function eachOfLimit(coll, limit, iteratee, callback) {\n return eachOfLimit$2(limit)(coll, wrapAsync(iteratee), callback);\n }\n\n var eachOfLimit$1 = awaitify(eachOfLimit, 4);\n\n // eachOf implementation optimized for array-likes\n function eachOfArrayLike(coll, iteratee, callback) {\n callback = once(callback);\n var index = 0,\n completed = 0,\n {length} = coll,\n canceled = false;\n if (length === 0) {\n callback(null);\n }\n\n function iteratorCallback(err, value) {\n if (err === false) {\n canceled = true;\n }\n if (canceled === true) return\n if (err) {\n callback(err);\n } else if ((++completed === length) || value === breakLoop) {\n callback(null);\n }\n }\n\n for (; index < length; index++) {\n iteratee(coll[index], index, onlyOnce(iteratorCallback));\n }\n }\n\n // a generic version of eachOf which can handle array, object, and iterator cases.\n function eachOfGeneric (coll, iteratee, callback) {\n return eachOfLimit$1(coll, Infinity, iteratee, callback);\n }\n\n /**\n * Like [`each`]{@link module:Collections.each}, except that it passes the key (or index) as the second argument\n * to the iteratee.\n *\n * @name eachOf\n * @static\n * @memberOf module:Collections\n * @method\n * @alias forEachOf\n * @category Collection\n * @see [async.each]{@link module:Collections.each}\n * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.\n * @param {AsyncFunction} iteratee - A function to apply to each\n * item in `coll`.\n * The `key` is the item's key, or index in the case of an array.\n * Invoked with (item, key, callback).\n * @param {Function} [callback] - A callback which is called when all\n * `iteratee` functions have finished, or an error occurs. Invoked with (err).\n * @returns {Promise} a promise, if a callback is omitted\n * @example\n *\n * // dev.json is a file containing a valid json object config for dev environment\n * // dev.json is a file containing a valid json object config for test environment\n * // prod.json is a file containing a valid json object config for prod environment\n * // invalid.json is a file with a malformed json object\n *\n * let configs = {}; //global variable\n * let validConfigFileMap = {dev: 'dev.json', test: 'test.json', prod: 'prod.json'};\n * let invalidConfigFileMap = {dev: 'dev.json', test: 'test.json', invalid: 'invalid.json'};\n *\n * // asynchronous function that reads a json file and parses the contents as json object\n * function parseFile(file, key, callback) {\n * fs.readFile(file, \"utf8\", function(err, data) {\n * if (err) return calback(err);\n * try {\n * configs[key] = JSON.parse(data);\n * } catch (e) {\n * return callback(e);\n * }\n * callback();\n * });\n * }\n *\n * // Using callbacks\n * async.forEachOf(validConfigFileMap, parseFile, function (err) {\n * if (err) {\n * console.error(err);\n * } else {\n * console.log(configs);\n * // configs is now a map of JSON data, e.g.\n * // { dev: //parsed dev.json, test: //parsed test.json, prod: //parsed prod.json}\n * }\n * });\n *\n * //Error handing\n * async.forEachOf(invalidConfigFileMap, parseFile, function (err) {\n * if (err) {\n * console.error(err);\n * // JSON parse error exception\n * } else {\n * console.log(configs);\n * }\n * });\n *\n * // Using Promises\n * async.forEachOf(validConfigFileMap, parseFile)\n * .then( () => {\n * console.log(configs);\n * // configs is now a map of JSON data, e.g.\n * // { dev: //parsed dev.json, test: //parsed test.json, prod: //parsed prod.json}\n * }).catch( err => {\n * console.error(err);\n * });\n *\n * //Error handing\n * async.forEachOf(invalidConfigFileMap, parseFile)\n * .then( () => {\n * console.log(configs);\n * }).catch( err => {\n * console.error(err);\n * // JSON parse error exception\n * });\n *\n * // Using async/await\n * async () => {\n * try {\n * let result = await async.forEachOf(validConfigFileMap, parseFile);\n * console.log(configs);\n * // configs is now a map of JSON data, e.g.\n * // { dev: //parsed dev.json, test: //parsed test.json, prod: //parsed prod.json}\n * }\n * catch (err) {\n * console.log(err);\n * }\n * }\n *\n * //Error handing\n * async () => {\n * try {\n * let result = await async.forEachOf(invalidConfigFileMap, parseFile);\n * console.log(configs);\n * }\n * catch (err) {\n * console.log(err);\n * // JSON parse error exception\n * }\n * }\n *\n */\n function eachOf(coll, iteratee, callback) {\n var eachOfImplementation = isArrayLike(coll) ? eachOfArrayLike : eachOfGeneric;\n return eachOfImplementation(coll, wrapAsync(iteratee), callback);\n }\n\n var eachOf$1 = awaitify(eachOf, 3);\n\n /**\n * Produces a new collection of values by mapping each value in `coll` through\n * the `iteratee` function. The `iteratee` is called with an item from `coll`\n * and a callback for when it has finished processing. Each of these callbacks\n * takes 2 arguments: an `error`, and the transformed item from `coll`. If\n * `iteratee` passes an error to its callback, the main `callback` (for the\n * `map` function) is immediately called with the error.\n *\n * Note, that since this function applies the `iteratee` to each item in\n * parallel, there is no guarantee that the `iteratee` functions will complete\n * in order. However, the results array will be in the same order as the\n * original `coll`.\n *\n * If `map` is passed an Object, the results will be an Array. The results\n * will roughly be in the order of the original Objects' keys (but this can\n * vary across JavaScript engines).\n *\n * @name map\n * @static\n * @memberOf module:Collections\n * @method\n * @category Collection\n * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.\n * @param {AsyncFunction} iteratee - An async function to apply to each item in\n * `coll`.\n * The iteratee should complete with the transformed item.\n * Invoked with (item, callback).\n * @param {Function} [callback] - A callback which is called when all `iteratee`\n * functions have finished, or an error occurs. Results is an Array of the\n * transformed items from the `coll`. Invoked with (err, results).\n * @returns {Promise} a promise, if no callback is passed\n * @example\n *\n * // file1.txt is a file that is 1000 bytes in size\n * // file2.txt is a file that is 2000 bytes in size\n * // file3.txt is a file that is 3000 bytes in size\n * // file4.txt does not exist\n *\n * const fileList = ['file1.txt','file2.txt','file3.txt'];\n * const withMissingFileList = ['file1.txt','file2.txt','file4.txt'];\n *\n * // asynchronous function that returns the file size in bytes\n * function getFileSizeInBytes(file, callback) {\n * fs.stat(file, function(err, stat) {\n * if (err) {\n * return callback(err);\n * }\n * callback(null, stat.size);\n * });\n * }\n *\n * // Using callbacks\n * async.map(fileList, getFileSizeInBytes, function(err, results) {\n * if (err) {\n * console.log(err);\n * } else {\n * console.log(results);\n * // results is now an array of the file size in bytes for each file, e.g.\n * // [ 1000, 2000, 3000]\n * }\n * });\n *\n * // Error Handling\n * async.map(withMissingFileList, getFileSizeInBytes, function(err, results) {\n * if (err) {\n * console.log(err);\n * // [ Error: ENOENT: no such file or directory ]\n * } else {\n * console.log(results);\n * }\n * });\n *\n * // Using Promises\n * async.map(fileList, getFileSizeInBytes)\n * .then( results => {\n * console.log(results);\n * // results is now an array of the file size in bytes for each file, e.g.\n * // [ 1000, 2000, 3000]\n * }).catch( err => {\n * console.log(err);\n * });\n *\n * // Error Handling\n * async.map(withMissingFileList, getFileSizeInBytes)\n * .then( results => {\n * console.log(results);\n * }).catch( err => {\n * console.log(err);\n * // [ Error: ENOENT: no such file or directory ]\n * });\n *\n * // Using async/await\n * async () => {\n * try {\n * let results = await async.map(fileList, getFileSizeInBytes);\n * console.log(results);\n * // results is now an array of the file size in bytes for each file, e.g.\n * // [ 1000, 2000, 3000]\n * }\n * catch (err) {\n * console.log(err);\n * }\n * }\n *\n * // Error Handling\n * async () => {\n * try {\n * let results = await async.map(withMissingFileList, getFileSizeInBytes);\n * console.log(results);\n * }\n * catch (err) {\n * console.log(err);\n * // [ Error: ENOENT: no such file or directory ]\n * }\n * }\n *\n */\n function map (coll, iteratee, callback) {\n return _asyncMap(eachOf$1, coll, iteratee, callback)\n }\n var map$1 = awaitify(map, 3);\n\n /**\n * Applies the provided arguments to each function in the array, calling\n * `callback` after all functions have completed. If you only provide the first\n * argument, `fns`, then it will return a function which lets you pass in the\n * arguments as if it were a single function call. If more arguments are\n * provided, `callback` is required while `args` is still optional. The results\n * for each of the applied async functions are passed to the final callback\n * as an array.\n *\n * @name applyEach\n * @static\n * @memberOf module:ControlFlow\n * @method\n * @category Control Flow\n * @param {Array|Iterable|AsyncIterable|Object} fns - A collection of {@link AsyncFunction}s\n * to all call with the same arguments\n * @param {...*} [args] - any number of separate arguments to pass to the\n * function.\n * @param {Function} [callback] - the final argument should be the callback,\n * called when all functions have completed processing.\n * @returns {AsyncFunction} - Returns a function that takes no args other than\n * an optional callback, that is the result of applying the `args` to each\n * of the functions.\n * @example\n *\n * const appliedFn = async.applyEach([enableSearch, updateSchema], 'bucket')\n *\n * appliedFn((err, results) => {\n * // results[0] is the results for `enableSearch`\n * // results[1] is the results for `updateSchema`\n * });\n *\n * // partial application example:\n * async.each(\n * buckets,\n * async (bucket) => async.applyEach([enableSearch, updateSchema], bucket)(),\n * callback\n * );\n */\n var applyEach = applyEach$1(map$1);\n\n /**\n * The same as [`eachOf`]{@link module:Collections.eachOf} but runs only a single async operation at a time.\n *\n * @name eachOfSeries\n * @static\n * @memberOf module:Collections\n * @method\n * @see [async.eachOf]{@link module:Collections.eachOf}\n * @alias forEachOfSeries\n * @category Collection\n * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.\n * @param {AsyncFunction} iteratee - An async function to apply to each item in\n * `coll`.\n * Invoked with (item, key, callback).\n * @param {Function} [callback] - A callback which is called when all `iteratee`\n * functions have finished, or an error occurs. Invoked with (err).\n * @returns {Promise} a promise, if a callback is omitted\n */\n function eachOfSeries(coll, iteratee, callback) {\n return eachOfLimit$1(coll, 1, iteratee, callback)\n }\n var eachOfSeries$1 = awaitify(eachOfSeries, 3);\n\n /**\n * The same as [`map`]{@link module:Collections.map} but runs only a single async operation at a time.\n *\n * @name mapSeries\n * @static\n * @memberOf module:Collections\n * @method\n * @see [async.map]{@link module:Collections.map}\n * @category Collection\n * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.\n * @param {AsyncFunction} iteratee - An async function to apply to each item in\n * `coll`.\n * The iteratee should complete with the transformed item.\n * Invoked with (item, callback).\n * @param {Function} [callback] - A callback which is called when all `iteratee`\n * functions have finished, or an error occurs. Results is an array of the\n * transformed items from the `coll`. Invoked with (err, results).\n * @returns {Promise} a promise, if no callback is passed\n */\n function mapSeries (coll, iteratee, callback) {\n return _asyncMap(eachOfSeries$1, coll, iteratee, callback)\n }\n var mapSeries$1 = awaitify(mapSeries, 3);\n\n /**\n * The same as [`applyEach`]{@link module:ControlFlow.applyEach} but runs only a single async operation at a time.\n *\n * @name applyEachSeries\n * @static\n * @memberOf module:ControlFlow\n * @method\n * @see [async.applyEach]{@link module:ControlFlow.applyEach}\n * @category Control Flow\n * @param {Array|Iterable|AsyncIterable|Object} fns - A collection of {@link AsyncFunction}s to all\n * call with the same arguments\n * @param {...*} [args] - any number of separate arguments to pass to the\n * function.\n * @param {Function} [callback] - the final argument should be the callback,\n * called when all functions have completed processing.\n * @returns {AsyncFunction} - A function, that when called, is the result of\n * appling the `args` to the list of functions. It takes no args, other than\n * a callback.\n */\n var applyEachSeries = applyEach$1(mapSeries$1);\n\n const PROMISE_SYMBOL = Symbol('promiseCallback');\n\n function promiseCallback () {\n let resolve, reject;\n function callback (err, ...args) {\n if (err) return reject(err)\n resolve(args.length > 1 ? args : args[0]);\n }\n\n callback[PROMISE_SYMBOL] = new Promise((res, rej) => {\n resolve = res,\n reject = rej;\n });\n\n return callback\n }\n\n /**\n * Determines the best order for running the {@link AsyncFunction}s in `tasks`, based on\n * their requirements. Each function can optionally depend on other functions\n * being completed first, and each function is run as soon as its requirements\n * are satisfied.\n *\n * If any of the {@link AsyncFunction}s pass an error to their callback, the `auto` sequence\n * will stop. Further tasks will not execute (so any other functions depending\n * on it will not run), and the main `callback` is immediately called with the\n * error.\n *\n * {@link AsyncFunction}s also receive an object containing the results of functions which\n * have completed so far as the first argument, if they have dependencies. If a\n * task function has no dependencies, it will only be passed a callback.\n *\n * @name auto\n * @static\n * @memberOf module:ControlFlow\n * @method\n * @category Control Flow\n * @param {Object} tasks - An object. Each of its properties is either a\n * function or an array of requirements, with the {@link AsyncFunction} itself the last item\n * in the array. The object's key of a property serves as the name of the task\n * defined by that property, i.e. can be used when specifying requirements for\n * other tasks. The function receives one or two arguments:\n * * a `results` object, containing the results of the previously executed\n * functions, only passed if the task has any dependencies,\n * * a `callback(err, result)` function, which must be called when finished,\n * passing an `error` (which can be `null`) and the result of the function's\n * execution.\n * @param {number} [concurrency=Infinity] - An optional `integer` for\n * determining the maximum number of tasks that can be run in parallel. By\n * default, as many as possible.\n * @param {Function} [callback] - An optional callback which is called when all\n * the tasks have been completed. It receives the `err` argument if any `tasks`\n * pass an error to their callback. Results are always returned; however, if an\n * error occurs, no further `tasks` will be performed, and the results object\n * will only contain partial results. Invoked with (err, results).\n * @returns {Promise} a promise, if a callback is not passed\n * @example\n *\n * //Using Callbacks\n * async.auto({\n * get_data: function(callback) {\n * // async code to get some data\n * callback(null, 'data', 'converted to array');\n * },\n * make_folder: function(callback) {\n * // async code to create a directory to store a file in\n * // this is run at the same time as getting the data\n * callback(null, 'folder');\n * },\n * write_file: ['get_data', 'make_folder', function(results, callback) {\n * // once there is some data and the directory exists,\n * // write the data to a file in the directory\n * callback(null, 'filename');\n * }],\n * email_link: ['write_file', function(results, callback) {\n * // once the file is written let's email a link to it...\n * callback(null, {'file':results.write_file, 'email':'user@example.com'});\n * }]\n * }, function(err, results) {\n * if (err) {\n * console.log('err = ', err);\n * }\n * console.log('results = ', results);\n * // results = {\n * // get_data: ['data', 'converted to array']\n * // make_folder; 'folder',\n * // write_file: 'filename'\n * // email_link: { file: 'filename', email: 'user@example.com' }\n * // }\n * });\n *\n * //Using Promises\n * async.auto({\n * get_data: function(callback) {\n * console.log('in get_data');\n * // async code to get some data\n * callback(null, 'data', 'converted to array');\n * },\n * make_folder: function(callback) {\n * console.log('in make_folder');\n * // async code to create a directory to store a file in\n * // this is run at the same time as getting the data\n * callback(null, 'folder');\n * },\n * write_file: ['get_data', 'make_folder', function(results, callback) {\n * // once there is some data and the directory exists,\n * // write the data to a file in the directory\n * callback(null, 'filename');\n * }],\n * email_link: ['write_file', function(results, callback) {\n * // once the file is written let's email a link to it...\n * callback(null, {'file':results.write_file, 'email':'user@example.com'});\n * }]\n * }).then(results => {\n * console.log('results = ', results);\n * // results = {\n * // get_data: ['data', 'converted to array']\n * // make_folder; 'folder',\n * // write_file: 'filename'\n * // email_link: { file: 'filename', email: 'user@example.com' }\n * // }\n * }).catch(err => {\n * console.log('err = ', err);\n * });\n *\n * //Using async/await\n * async () => {\n * try {\n * let results = await async.auto({\n * get_data: function(callback) {\n * // async code to get some data\n * callback(null, 'data', 'converted to array');\n * },\n * make_folder: function(callback) {\n * // async code to create a directory to store a file in\n * // this is run at the same time as getting the data\n * callback(null, 'folder');\n * },\n * write_file: ['get_data', 'make_folder', function(results, callback) {\n * // once there is some data and the directory exists,\n * // write the data to a file in the directory\n * callback(null, 'filename');\n * }],\n * email_link: ['write_file', function(results, callback) {\n * // once the file is written let's email a link to it...\n * callback(null, {'file':results.write_file, 'email':'user@example.com'});\n * }]\n * });\n * console.log('results = ', results);\n * // results = {\n * // get_data: ['data', 'converted to array']\n * // make_folder; 'folder',\n * // write_file: 'filename'\n * // email_link: { file: 'filename', email: 'user@example.com' }\n * // }\n * }\n * catch (err) {\n * console.log(err);\n * }\n * }\n *\n */\n function auto(tasks, concurrency, callback) {\n if (typeof concurrency !== 'number') {\n // concurrency is optional, shift the args.\n callback = concurrency;\n concurrency = null;\n }\n callback = once(callback || promiseCallback());\n var numTasks = Object.keys(tasks).length;\n if (!numTasks) {\n return callback(null);\n }\n if (!concurrency) {\n concurrency = numTasks;\n }\n\n var results = {};\n var runningTasks = 0;\n var canceled = false;\n var hasError = false;\n\n var listeners = Object.create(null);\n\n var readyTasks = [];\n\n // for cycle detection:\n var readyToCheck = []; // tasks that have been identified as reachable\n // without the possibility of returning to an ancestor task\n var uncheckedDependencies = {};\n\n Object.keys(tasks).forEach(key => {\n var task = tasks[key];\n if (!Array.isArray(task)) {\n // no dependencies\n enqueueTask(key, [task]);\n readyToCheck.push(key);\n return;\n }\n\n var dependencies = task.slice(0, task.length - 1);\n var remainingDependencies = dependencies.length;\n if (remainingDependencies === 0) {\n enqueueTask(key, task);\n readyToCheck.push(key);\n return;\n }\n uncheckedDependencies[key] = remainingDependencies;\n\n dependencies.forEach(dependencyName => {\n if (!tasks[dependencyName]) {\n throw new Error('async.auto task `' + key +\n '` has a non-existent dependency `' +\n dependencyName + '` in ' +\n dependencies.join(', '));\n }\n addListener(dependencyName, () => {\n remainingDependencies--;\n if (remainingDependencies === 0) {\n enqueueTask(key, task);\n }\n });\n });\n });\n\n checkForDeadlocks();\n processQueue();\n\n function enqueueTask(key, task) {\n readyTasks.push(() => runTask(key, task));\n }\n\n function processQueue() {\n if (canceled) return\n if (readyTasks.length === 0 && runningTasks === 0) {\n return callback(null, results);\n }\n while(readyTasks.length && runningTasks < concurrency) {\n var run = readyTasks.shift();\n run();\n }\n\n }\n\n function addListener(taskName, fn) {\n var taskListeners = listeners[taskName];\n if (!taskListeners) {\n taskListeners = listeners[taskName] = [];\n }\n\n taskListeners.push(fn);\n }\n\n function taskComplete(taskName) {\n var taskListeners = listeners[taskName] || [];\n ta